Home / 326,602,755.40-489,337,262.70-211,528,064.20

Finding the Fourth Proportional to 326,602,755.40, 489,337,262.70 and 211,528,064.20

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Solution

The fourth proportional to 326,602,755.40, 489,337,262.70 and 211,528,064.20 is: 316,924,956.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,602,755.40 : 489,337,262.70 = 211,528,064.20 : x
  2. Step 2: Convert to fraction form
    326,602,755.40/489,337,262.70 = 211,528,064.20/x
  3. Step 3: Cross multiply
    326,602,755.40x = 489,337,262.70 × 211,528,064.20
  4. Step 4: Simplify right side
    326,602,755.40x = 103,508,563,919,857,856
  5. Step 5: Solve for x
    x = 103,508,563,919,857,856/326,602,755.40
  6. Step 6: Final answer
    x = 316,924,956.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.